Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6557522 | Cylinder head for a multi-cylinder direct-injection spark-ignition internal combustion engine | Roland Lohmann, Holger Wagner | 2003-05-06 |
| 4907439 | Roll stand with system for axially displaceable rolls | Hans-Heinrich Hartmann | 1990-03-13 |
| 4391357 | Couplings | Ali Bindernagel, Helmut Holthoff | 1983-07-05 |
| 4326623 | Method and apparatus for feeding, clamping, and removal of bar of tube goods | Theodor Zacharias | 1982-04-27 |
| 4182147 | Rolling mills | Hans Brauer | 1980-01-08 |